package book;

public class BookList {
    private Book[] books = new Book[10];
    private int usedSize;
    public BookList(){
        //构造函数初始化成员
        this.books[0] =new Book("三国演义","罗贯中",10,"小说");
        this.books[1] =new Book("西游记","吴承恩",20,"小说");
        this.books[2] =new Book("红楼梦","曹雪芹",30,"小说");
        this.usedSize = 3;
    }
    public Book getBook(int pos){ //返回Book类型，即数组中指定位置的书籍对象。
        return books[pos];
    }
    public void setBooks(int pos,Book book){
        books[pos] = book;
    }
    public int getUsedSize(){
        return usedSize;
    }
    public void setUsedSize(int usedSize){
        this.usedSize = usedSize;
    }
}
